code: def setUp(self):
      super().setUp()
      jax_config.update("jax_enable_x64", False)
  
imports: import functools
  import math
  from typing import NamedTuple
  from acme import specs
  from acme.jax import running_statistics
  import jax
  from jax import config
  import jax.numpy
  import numpy
  import tree
  from absl.testing import absltest
label_desc: Use image node_id 1 for calling the RunningStatisticsTest obj's underlying member method code with example usage: obj.setUp() without return types